. >> president obama hosted their annual white house science fair earlier today which drew student winners from around the country. this is 20 minutes. [applause] >> thank you, everybody. have a seat. welcome to the white house science fair, one of my favorite events through the course of the year, and i just had a chance to see some of the outstanding exhibits that have been put forward by some of these american -- amazing young people, and let me just start by saying in my official capacity as president, this stuff is really cool. [laughter] i want to say thank you to these incredible young people for explaining to me what the heck is going on. everyone of you is enormously talented, obviously, but there is also a community of people that help them succeed, and teachers who believe in them and challenge them to do even more. all of them have loving parents and mentors and families. i not only want to give the young people a round of applause, but all the parents, teachers, principals and everyone who was involved, give yourselves a round of applause. [applause] of course, primarily, we a